/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.data.pipeline.core.ingest.dumper;

import org.apache.shardingsphere.data.pipeline.spi.ingest.dumper.ColumnValueReader;

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;

/**
 * Basic column value reader.
 */
public class BasicColumnValueReader implements ColumnValueReader {
    
    @Override
    public Object readValue(final ResultSet resultSet, final ResultSetMetaData resultSetMetaData, final int columnIndex) throws SQLException {
        int columnType = resultSet.getMetaData().getColumnType(columnIndex);
        switch (columnType) {
            case Types.TIME:
                return resultSet.getTime(columnIndex);
            case Types.DATE:
                return resultSet.getDate(columnIndex);
            case Types.TIMESTAMP:
                return resultSet.getTimestamp(columnIndex);
            default:
                return resultSet.getObject(columnIndex);
        }
    }
}
